1104403421 has 12 divisors (see below), whose sum is σ = 1214902332. Its totient is φ = 1003200000.

The previous prime is 1104403361. The next prime is 1104403423. The reversal of 1104403421 is 1243044011.

It can be written as a sum of positive squares in 2 ways, for example, as 1049436025 + 54967396 = 32395^2 + 7414^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1104403421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1104403393 and 1104403402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104403423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190871 + ... + 196571.

It is an arithmetic number, because the mean of its divisors is an integer number (101241861).

Almost surely, 2^1104403421 is an apocalyptic number.

1104403421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1104403421 is a deficient number, since it is larger than the sum of its proper divisors (110498911).

1104403421 is a wasteful number, since it uses less digits than its factorization.

1104403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324 (or 7313 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1104403421 is about 33232.5656698366. The cubic root of 1104403421 is about 1033.6557251314.

Adding to 1104403421 its reverse (1243044011), we get a palindrome (2347447432).

The spelling of 1104403421 in words is "one billion, one hundred four million, four hundred three thousand, four hundred twenty-one".